Submission #602276

# Submission time Handle Problem Language Result Execution time Memory
602276 2022-07-22T20:19:19 Z patrikpavic2 Game (APIO22_game) C++17
12 / 100
15 ms 23888 KB
#include "game.h"
#include <vector>
#include <cstdio>
#define PB push_back
 
using namespace std;
 
const int N = 5e5 + 500;
const int BUK = 400;
 
int n, k, ans;
vector < int > v[N], r[N];
int L[N], R[N], bukL[N], bukR[N], pos[N], kad[N], tme, SAD, tocL[N], tocR[N];
 
void init(int _n, int _k) {
	n = _n, k = _k;
	for(int i = 0;i < n;i++)
		L[i] = -1, R[i] = n, bukL[i] = -1, bukR[i] = n, pos[i] = -1;
	for(int i = 0;i < k;i++)
		L[i] = i, R[i] = i, bukL[i] = i / BUK, bukR[i] = i / BUK, pos[i] = i / BUK, tocL[i] = 1, tocR[i] = 1;
}
 
void buk_noviL(int x, int vr){
	bukL[x] = vr / BUK;
	for(int y : v[x]) 
		if(bukL[y] < vr / BUK) buk_noviL(y, vr);
}
 
void buk_noviR(int x, int vr){
	bukR[x] = vr / BUK;
	for(int y : r[x])
		if(bukR[y] > vr / BUK) buk_noviR(y, vr);
}
 
void noviL(int x, int vr){
	L[x] = vr;
	for(int y : v[x]) 
		if(L[y] < vr && R[y] / BUK <= vr / BUK) noviL(y, vr);
}
 
void noviR(int x, int vr){
	R[x] = vr;
	for(int y : r[x])
		if(R[y] > vr && L[y] / BUK >= vr / BUK) noviR(y, vr);
}
 
void oznaci_nap(int x, int vr){
	if(pos[x] == -1) {
		pos[x] = vr; 
	}
	tocR[x] = 1; kad[x] = tme;
	for(int y : v[x]){
		if(!tocR[y] || kad[y] == SAD) 
			oznaci_nap(y, vr);
		R[x] = min(R[x], R[y]);
	}
}
 
void oznaci_naz(int x, int vr){
	if(pos[x] == -1){ 
		pos[x] = vr; 
	}
	tocL[x] = 1; kad[x] = tme;
	for(int y : r[x]){
		if(!tocL[y] || kad[y] == SAD) 
			oznaci_naz(y, vr);
		L[x] = max(L[x], L[y]);
	}
}
 
void update(int a){
	if(pos[a] != -1 && !tocR[a]){
		SAD = -1; tme++; oznaci_nap(a, pos[a]);
		SAD = tme; tme++; oznaci_nap(a, pos[a]);
	}
	if(pos[a] != -1 && !tocL[a]) {
		SAD = -1; tme++; oznaci_naz(a, pos[a]);
		SAD = tme; tme++; oznaci_naz(a, pos[a]);
	}
}
 
int add_teleporter(int a, int b) {
	v[a].PB(b), r[b].PB(a);
	if(pos[a] != -1) pos[b] = pos[a];
	if(pos[b] != -1) pos[a] = pos[b];
	if(a == b && a < k) ans = 1;
	if(bukL[b] < bukL[a]) buk_noviL(b, L[a]);
	if(bukR[a] > bukR[b]) buk_noviR(a, R[b]);
	ans |= bukL[a] > bukR[a];
	ans |= bukL[b] > bukR[b];
	update(a);
	update(b);
	if(L[b] < L[a] && pos[b] == L[a] / BUK) noviL(b, L[a]);
	if(R[a] > R[b] && pos[a] == R[b] / BUK) noviR(a, R[b]);
	if(a >= k) ans |= L[a] == R[a];
	if(b >= k) ans |= L[b] == R[b];
	ans |= L[a] > R[a];
	ans |= L[b] > R[b];
	return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23812 KB Output is correct
2 Correct 11 ms 23760 KB Output is correct
3 Correct 11 ms 23856 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23792 KB Output is correct
6 Correct 14 ms 23848 KB Output is correct
7 Correct 13 ms 23760 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23812 KB Output is correct
2 Correct 11 ms 23760 KB Output is correct
3 Correct 11 ms 23856 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23792 KB Output is correct
6 Correct 14 ms 23848 KB Output is correct
7 Correct 13 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 11 ms 23760 KB Output is correct
11 Correct 12 ms 23788 KB Output is correct
12 Correct 13 ms 23760 KB Output is correct
13 Correct 12 ms 23832 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23868 KB Output is correct
17 Correct 13 ms 23788 KB Output is correct
18 Correct 12 ms 23856 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23812 KB Output is correct
2 Correct 11 ms 23760 KB Output is correct
3 Correct 11 ms 23856 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23792 KB Output is correct
6 Correct 14 ms 23848 KB Output is correct
7 Correct 13 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 11 ms 23760 KB Output is correct
11 Correct 12 ms 23788 KB Output is correct
12 Correct 13 ms 23760 KB Output is correct
13 Correct 12 ms 23832 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23868 KB Output is correct
17 Correct 13 ms 23788 KB Output is correct
18 Correct 12 ms 23856 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Incorrect 15 ms 23888 KB Wrong Answer[1]
21 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23812 KB Output is correct
2 Correct 11 ms 23760 KB Output is correct
3 Correct 11 ms 23856 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23792 KB Output is correct
6 Correct 14 ms 23848 KB Output is correct
7 Correct 13 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 11 ms 23760 KB Output is correct
11 Correct 12 ms 23788 KB Output is correct
12 Correct 13 ms 23760 KB Output is correct
13 Correct 12 ms 23832 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23868 KB Output is correct
17 Correct 13 ms 23788 KB Output is correct
18 Correct 12 ms 23856 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Incorrect 15 ms 23888 KB Wrong Answer[1]
21 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 12 ms 23812 KB Output is correct
2 Correct 11 ms 23760 KB Output is correct
3 Correct 11 ms 23856 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23792 KB Output is correct
6 Correct 14 ms 23848 KB Output is correct
7 Correct 13 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 11 ms 23760 KB Output is correct
11 Correct 12 ms 23788 KB Output is correct
12 Correct 13 ms 23760 KB Output is correct
13 Correct 12 ms 23832 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23868 KB Output is correct
17 Correct 13 ms 23788 KB Output is correct
18 Correct 12 ms 23856 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Incorrect 15 ms 23888 KB Wrong Answer[1]
21 Halted 0 ms 0 KB -